Finding the Fourth Proportional to 10,656,053.60, 15,965,709.60 and 4,964,604.80
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Solution
The fourth proportional to 10,656,053.60, 15,965,709.60 and 4,964,604.80 is: 7,438,348.33
Step by Step Solution
- Step 1: Write the proportion equation
10,656,053.60 : 15,965,709.60 = 4,964,604.80 : x - Step 2: Convert to fraction form
10,656,053.60/15,965,709.60 = 4,964,604.80/x - Step 3: Cross multiply
10,656,053.60x = 15,965,709.60 × 4,964,604.80 - Step 4: Simplify right side
10,656,053.60x = 79,263,438,515,566.08 - Step 5: Solve for x
x = 79,263,438,515,566.08/10,656,053.60 - Step 6: Final answer
x = 7,438,348.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.